Home / 75,556.69-113,116.16-56,915.24

Finding the Fourth Proportional to 75,556.69, 113,116.16 and 56,915.24

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Solution

The fourth proportional to 75,556.69, 113,116.16 and 56,915.24 is: 85,207.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,556.69 : 113,116.16 = 56,915.24 : x
  2. Step 2: Convert to fraction form
    75,556.69/113,116.16 = 56,915.24/x
  3. Step 3: Cross multiply
    75,556.69x = 113,116.16 × 56,915.24
  4. Step 4: Simplify right side
    75,556.69x = 6,438,032,970.99
  5. Step 5: Solve for x
    x = 6,438,032,970.99/75,556.69
  6. Step 6: Final answer
    x = 85,207.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.